Figure 2From: Relationships between climate and year-to-year variability in meningitis outbreaks: A case study in Burkina Faso and NigerThe two main factors of the year-to-year disease variability in West Africa. Graphical representation of the two main factors of the Correspondence Analysis where both rows (countries) and columns (four clusters characterizing the intensity of the epidemic) of the contingency table (Tab.2) are projected.Back to article page